TruGlo Triton 28mm Tri Color Red Dot Scope- This red dot is about customizability; 3 colors and 4 reticles along with an adjustable rheostat for brightness control and integrated Weaver style mounting system. It also includes a detachable sunshade, anti-reflection coating, and a 3V-CR2032 battery. The Triton 28mm is under the TruGlo Lifetime Limited Warranty.